Sub-Processors
Last updated: May 2026
LondonPlumberAI uses the following third-party sub-processors to deliver our AI receptionist service. We conduct due diligence on each sub-processor's data protection practices and maintain appropriate contractual safeguards for any international data transfers.
| Sub-Processor | Purpose | Data Processed | Location | Transfer Safeguard |
|---|---|---|---|---|
| Supabase Inc. | Database hosting | Call records, transcripts, client accounts | EU (Frankfurt) | EU hosting — no international transfer |
| Anthropic | AI language model (call summarisation) | Call transcripts (text only) | USA | Standard Contractual Clauses |
| Deepgram | Speech-to-text transcription | Audio stream (real-time, not stored) | USA | Standard Contractual Clauses + DPA |
| Cartesia | Text-to-speech (AI voice) | Generated speech text (no personal data) | USA | Standard Contractual Clauses |
| Twilio | Telephony and call routing | Phone numbers, call metadata | USA (UK number) | Standard Contractual Clauses + DPA |
| Meta Platforms (WhatsApp) | Message delivery (call summaries) | Phone numbers, summary content | USA / EU | Meta data processing terms |
| Stripe | Payment processing | Client payment details (no consumer data) | USA | Stripe DPA, PCI-DSS certified |
| Cloudflare | CDN, DNS, website hosting | Website visitor IP addresses | USA / EU | Cloudflare DPA + SCCs |
Changes to Sub-Processors
We will update this page when we add or remove sub-processors. If you are a current client and wish to be notified of changes in advance, please contact us at privacy@londonplumberai.co.uk.
Questions
If you have questions about our use of sub-processors or data protection practices, please contact our Data Controller at privacy@londonplumberai.co.uk.